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Faithful "Fixer Upper" viewers find inspiration by watching the hit HGTV show — and not just where their houses are concerned.

Husband and wife team Chip and Joanna Gaines are more than talented home improvement gurus. They're the definition of relationship goals.

Chip and Joanna Gaines, from HGTV's "Fixer Upper," open up about what really makes their marriage work. Samantha Okazaki / TODAY

"People ask all the time, 'How do y'all have such a great marriage, and what’s the secret?'" Chip said in an interview with Success magazine. "There’s no secret."

Or maybe there is, but it's so obvious to him that he doesn't consider it a secret at all.

"It’s hard work," the father of four said. "Jo and I have struggles and fighting and arguments just like anybody else. This isn’t like we got lucky and hit the lottery and the two perfect people fell in love."